import router from "./router";
import store from "./store";
import { Message } from "element-ui";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import { getToken } from "@/utils/auth"; // getToken from cookie

NProgress.configure({ showSpinner: false }); // NProgress Configuration

const whiteList = ["/login"]; // no redirect whitelist

router.beforeEach((to, from, next) => {
  NProgress.start(); // start progress bar
  if (getToken()) {
    // determine if there has token
    /* has token*/
    if (to.path === "/login") {
      next({ path: "/" });
      NProgress.done(); // if current page is dashboard will not trigger	afterEach hook, so manually handle it
    } else {
      if (store.getters.roles.length === 0) {
        // 判断当前用户是否已拉取完user_info信息
        store
          .dispatch("GetInfo")
          .then(res => {
            // 拉取user_info
            // console.log("res.data:  " + res.data.roles);
            // console.log(store.getters);
            const roles = res.data.roles; // note: roles must be a array! such as: ['editor','develop']
            store.dispatch("GenerateRoutes", { roles }).then(() => {
              // 根据roles权限生成可访问的路由表
              // console.log(store.getters.addRouters);
              router.addRoutes(store.getters.addRouters); // 动态添加可访问路由表
              next({ ...to, replace: true }); // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
            });
          })
          .catch(err => {
            store.dispatch("FedLogOut").then(() => {
              Message.error(err || "Verification failed, please login again");
              next({ path: "/" });
            });
          });
      } else {
        next();
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next();
    } else {
      next("/login"); // 否则全部重定向到登录页
      NProgress.done(); // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
});

router.afterEach(() => {
  NProgress.done(); // finish progress bar
});
